Welcome to Hazrat Ali,
Problem Solving

Welcome to Hazrat Ali, Problem Solving Website “At Hazrat Ali, we provide a platform for aspiring problem solvers and developers to sharpen their coding and algorithmic skills. Whether you’re a beginner or an advanced coder, our wide range of challenges and resources will help you grow. From mastering data structures and algorithms to participating in competitive coding contests, we offer tools and a community that supports your journey in programming. Explore our curated problems, get involved in discussions, and start Solving problems that will elevate your coding expertise. Join us today and start your problem-Solving adventure!”

Recent Articles

Apr 30, 2026 • Leetcode

Split Array into Consecutive Subsequences

You are given an integer array nums that is sorted in non-decreasing order.

Apr 29, 2026 • Leetcode

Open the Lock

You have a lock in front of you with 4 circular wheels. Each wheel has 10 slots:

Apr 28, 2026 • Leetcode

Design HashMap

Design a HashMap without using any built-in hash table libraries.

Apr 27, 2026 • Leetcode

Ransom Note

Given two strings ransomNote and magazine, return true if ransomNote can be constructed by using the letters from magazine and false otherwise.

Apr 26, 2026 • Leetcode

Matchsticks to Square

You are given an integer array matchsticks where matchsticks[i] is the length of the ith matchstick

Apr 25, 2026 • Leetcode

Additive Number

An additive number is a string whose digits can form an additive sequence.

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